Sulaymon Eshkabilov

Last seen: Today | Active since 2019

research interests: vibrations, optimal control, system modeling and simulation, mechatronics... coding

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finite element for 1d poisson equation
You can employ matlab's PDE toolbox fcn pdepe(). How to use it: doc pdepe Also, you can find some good help in this DOC.

17 dagar ago | 0

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Image analysis for Signal processing help
Using the Discrete Cosine Transform is quite straightforward. You'd need to employ dctmtx() fcn. Help documentation: doc dct...

17 dagar ago | 0

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Image analysis for Signal processing help
Use imcrop() How to use this function: >> doc imcrop

17 dagar ago | 0

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Perform fminsearch to find the best value for the variable in a model
One pranthesis was missing: ... for ii = 1:numel(Imeas) Itheory = @(Ro)(Imeas(ii)*exp(-Ro*-2*bet_a*k*2*Ro*(1-(y(ii)/Ro)^2))...

17 dagar ago | 0

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How do you obtain the equation of the Adaptation mechanism adjusts in the MRAC PID block?
It is found here: Simscape / Electrical / Control / General Control If your MATLAB/Simulink package has Simscape toolbox. Yo...

17 dagar ago | 0

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Perform fminsearch to find the best value for the variable in a model
Note the following two points in your code that must be identical and input variable names must match as defined above: Itheory...

17 dagar ago | 0

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Keyboard shortcuts are not mapped correctly to different language keyboard
Use preferences options to adjust your keyborad shortcuts, e.g.: >> preferences follow: Preferences -> keyboard -> Shortcuts ...

17 dagar ago | 0

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How to detect rotation in a trajectory?
One way of detecting the region of values is using logical indexing, e.g.: t = ... x = ... y = ... % Way 1 Ind = t>=0 &...

18 dagar ago | 1

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Perform fminsearch to find the best value for the variable in a model
There are a couple potential of errs in your code. (1) Ifunc fcn has to have two more input variables, viz. bet_a, k and thus, w...

18 dagar ago | 0

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Laplace Transform of Given Differential Equation
Note that if your system has "zero" ICs and not excitation force; therefore, your system solution (response) will be zero. If yo...

23 dagar ago | 0

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It is Simulink Related
See the attached screen shot how to perform a search.

23 dagar ago | 0

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Import .csv files in my folder directory.
probably, you'd better use a loop, e.g.: for ii=1:Number_csv % Number of *.csv files D{ii}=readmatrix(strcat(num2str(i...

23 dagar ago | 0

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Laplace Transform of Given Differential Equation
Laplace transform does not work at t ~0 initial conditions and thus, here dsolve() might be a better option, e.g.: syms y(t) D...

23 dagar ago | 0

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How to Identify Range of Frequency which is Noise from FFT Freq Domain graph
Your filtered signal is not quite noise free as it shows here from your script, and your obtained FFT is not quite correct. [x,...

23 dagar ago | 0

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MATLAB gives the integer value of subtraction when the difference between numbers is large.
Specify flotaing point format accordingly, e.g.: a=[1;1;1;1]; b=[10^23;10^23;10^23;10^23]; c=a-b fprintf("%1999.0f \n",c) ...

23 dagar ago | 0

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how to pull correct h into h(i)
Hi, You meant A(2,2) to have h=6.5929, A(3,3) to have h = 6.0625, correct? If so, you can adjust your loop by adjusting inde...

24 dagar ago | 0

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Integration containing multiple variable and plotting
Use integral3: https://www.mathworks.com/help/matlab/ref/integral3.html

24 dagar ago | 0

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cannot add path on mac
Maybe in mac, this way works: addpath(genpath('/Users/maherheal/Applications/CPLEX_Studio128/cplex/matlab'))

30 dagar ago | 0

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Protect Matlab/Simulink Files
One option is creating p-code of m-files, e.g.: >> pcode MYfile.m

30 dagar ago | 0

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Projectile Motion With Air Resistance Vs. Free-Falling with Air Resistance
You can add the free fall plot using simply, e.g.: ... xfall=x(1)*ones(size(x)); yfall = linspace(0, h, numel(y)); plot(xfal...

30 dagar ago | 1

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Answered
why looping just save the last value of iteration
Because the indexes are missing, e.g.: data_diff(??) = out.Vo.signals.values-v_data; lse(??) = lse(??) + (data_diff'*data_diff...

30 dagar ago | 0

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Startup view for a Simulink model.
See the attached example.

30 dagar ago | 0

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Startup view for a Simulink model.
Hi, Hit your highest level system model on the left top corner of the model browser and then save your model. That would give...

30 dagar ago | 0

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for loop forward modelling
You can start working somewhat in this way: ... rho = 2600; % Note density can't be negative. for ii = 1:2 f...

ungefär 2 månader ago | 0

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3D Plotting with symbolic variables
If it is a symbolic expression, use fmesh(). Here is a good doc how to employ it: https://www.mathworks.com/help/matlab/ref/fmes...

ungefär 2 månader ago | 0

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Script too Long to Run
Here is a little simplified version of your code: clc format long n=1e4; x1=zeros(n,1); x2=x1; x3=x1; x4=x1; error=x1; ...

ungefär 2 månader ago | 1

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How to fill the area between two curves?
Here are a couple of good examples how to achieve this task: https://www.mathworks.com/matlabcentral/answers/180829-shade-area-...

ungefär 2 månader ago | 0

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Rearrange a given array
A = [1 2 3 4 5 6 7 8 9 10 11 12]; B = sort(A(:), 'descend'); C= reshape(B, 3,4)...

ungefär 2 månader ago | 1

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Plot symbolic function and non symbolic functions on the same plot?
Here is a simple example: figure fplot(@(x) sin(x), [-pi, pi]) hold on x = linspace(-pi, pi, 25); plot(x, sin(x), 'rd') le...

ungefär 2 månader ago | 0

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How to use imwrite with image object?
You can try this command, e.g.: imwrite(double(im),filename)

ungefär 2 månader ago | 0

Sulaymon Eshkabilov

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